Differential case



FIG. 1 is a front perspective view of a differential case.

FIG. 2 is a rear perspective view of the differential case.

FIG. 3 is a front view of the differential case.

FIG. 4 is a rear view of the differential case.

FIG. 5 is a left side view of the differential case.

FIG. 6 is a right side view of the differential case.

FIG. 7 is a top view of the differential case; and,

FIG. 8 is a bottom view of the differential case.

The broken lines showing portions of the differential case form no part of the claimed design. 

CLAIM The ornamental design for a differential case, as shown and described. 